Bump base docker image ruby:2.6.5-alpine3.10 ruby:2.7.1-alpine3.10
Bump base docker image ruby:2.6.5-alpine3.10 ruby:2.7.1-alpine3.10

Inline with app version

ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments